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자료유형
학술저널
저자정보
저널정보
한국환경성돌연변이발암원학회 한국환경성돌연변이·발암원학회지 한국환경성돌연변이·발암원학회지 제23권 제4호
발행연도
2003.12
수록면
115 - 130 (16page)

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Idiopathic Parkinson's disease (IPD) represents a common neurodegenerative disorder. While epidemiological studies have suggested a number of risk factors including age, gender, race, and inherited disorder, the cumulative evidence supports the view that environmental or occupational exposure to certain chemicals may contribute to the initiation and progress of Parkinsonism. More recently, clinical and laboratory invrestigations have led to the theory that dysregulation of iron. an essential metal to body function, may underlie IPD by initiating free radical reaction, diminishing the mitochondrial energy production, and provoking the oxidative cytotoxicity. The participation of iron in neuronal cell death is especially intriguing in that iron acquisition and regulation in brain are highly conservative and thus vulnerable to interference from other metals that bear the similar chemical reactivity. Manganese neurotoxicity, induced possibly by altering iron homeostasis, is such an example. In fact, the current interest in manganese neurotoxicology stems from two primary concerns: its clinical symptoms that resemble Parkinson's disease and its increased use as an antiknock agent to replace lead in gasoline. This article will commence with addressing the current understanding of iron-associated neurodegenerative damage. The major focus will then be devoted to the mechanism whereby manganese alters iron homeostasis in brain.

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ABSTRACT

Introduction

Iron Toxicity and Parkinson‘s Disease

Mn Toxicity and Parkinsonism

Summary and Perspectives

Acknowledgment

Reference

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